Laser contact openings for local poly-Si-metal contacts enabling 26.1%-efficient POLO-IBC solar cells von Haase, Felix, Hollemann, Christina, Schäfer, Sören, Merkle, Agnes, Rienäcker, Michael, Krügener, Jan, Brendel, Rolf, Peibst, Robby

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Analytical model for extracting optical properties from absorptance of femtosecond-laser structured hyperdoped silicon von Schäfer, Sören, McKearney, Patrick, Paulus, Simon, Kontermann, Stefan

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26.1%‐efficient POLO‐IBC cells: Quantification of electrical and optical loss mechanisms von Hollemann, Christina, Haase, Felix, Schäfer, Sören, Krügener, Jan, Brendel, Rolf, Peibst, Robby

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Simulation-based roadmap for the integration of poly-silicon on oxide contacts into screen-printed crystalline silicon solar cells von Kruse, Christian N., Schäfer, Sören, Haase, Felix, Mertens, Verena, Schulte-Huxel, Henning, Lim, Bianca, Min, Byungsul, Dullweber, Thorsten, Peibst, Robby, Brendel, Rolf

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Interdigitated back contact solar cells with polycrystalline silicon on oxide passivating contacts for both polarities von Haase, Felix, Kiefer, Fabian, Schäfer, Sören, Kruse, Christian, Krügener, Jan, Brendel, Rolf, Peibst, Robby

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Impact of post-ion implantation annealing on Se-hyperdoped Ge von Liu, Xiaolong, McKearney, Patrick, Schäfer, Sören, Radfar, Behrad, Berencén, Yonder, Kentsch, Ulrich, Vähänissi, Ville, Zhou, Shengqiang, Kontermann, Stefan, Savin, Hele

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Ultrafast laser heating for controlling the optoelectronic properties of sulfur hyperdoped black silicon von Mc Kearney, Patrick, Schäfer, Sören, Paulus, Simon, Roser, Michael, Piermaier, Fabian, Lebershausen, Ingo, Kontermann, Stefan Ralf

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Role of oxygen in the UV-ps laser triggered amorphization of poly-Si for Si solar cells with local passivated contacts von Schäfer, Sören, Mercker, Anja, Köhler, Adrian, Neubert, Tobias, Mettner, Larissa, Wolpensinger, Bettina, Mertens, Verena, Peibst, Robby

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Impact of Pulse Duration on the Properties of Laser Hyperdoped Black Silicon von Mc Kearney, Patrick, Schäfer, Sören, Liu, Xiaolong, Paulus, Simon, Lebershausen, Ingo, Radfar, Behrad, Vähänissi, Ville, Savin, Hele, Kontermann, Stefan

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Reassessment of intrinsic lifetime limit in n-type crystalline silicon and implication on maximum solar cell efficiency von Veith-Wolf, Boris A., Schäfer, Sören, Brendel, Rolf, Schmidt, Jan

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2D/3D Heterostructure for Semitransparent Perovskite Solar Cells with Engineered Bandgap Enables Efficiencies Exceeding 25% in Four‐Terminal Tandems with Silicon and CIGS von Gharibzadeh, Saba, Hossain, Ihteaz M., Fassl, Paul, Nejand, Bahram Abdollahi, Abzieher, Tobias, Schultes, Moritz, Ahlswede, Erik, Jackson, Philip, Powalla, Michael, Schäfer, Sören, Rienäcker, Michael, Wietler, Tobias, Peibst, Robby, Lemmer, Uli, Richards, Bryce S., Paetzold, Ulrich W.

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Classification of different post-hyperdoping treatments for enhanced crystallinity of IR-sensitive femtosecond-laser processed silicon von Paulus, Simon, Roser, Michael, McKearney, Patrick, Will, Matthias, Schäfer, Sören, Kontermann, Stefan

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Defect engineering for improved thermal stability of sulfur hyperdoped silicon von Paulus, Simon, Schäfer, Sören, Mc Kearney, Patrick, Niemeyer, Tobias, Seibt, Michael, Kontermann, Stefan

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Effective Carrier Lifetime in Ultrashort Pulse Laser Hyperdoped Silicon: Sulfur Concentration Dependence and Practical Limitations von Schäfer, Sören, Liu, Xiaolong, Mc Kearney, Patrick, Paulus, Simon, Radfar, Behrad, Vähänissi, Ville, Savin, Hele, Kontermann, Stefan

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For none, one, or two polarities—How do POLO junctions fit best into industrial Si solar cells? von Peibst, Robby, Kruse, Christian, Schäfer, Sören, Mertens, Verena, Bordihn, Stefan, Dullweber, Thorsten, Haase, Felix, Hollemann, Christina, Lim, Bianca, Min, Byungsul, Niepelt, Raphael, Schulte‐Huxel, Henning, Brendel, Rolf

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Ultra‐Thin Poly‐Si Layers: Passivation Quality, Utilization of Charge Carriers Generated in the Poly‐Si and Application on Screen‐Printed Double‐Side Contacted Polycrystalline Si o... von Larionova, Yevgeniya, Schulte-Huxel, Henning, Min, Byungsul, Schäfer, Sören, Kluge, Thomas, Mehlich, Heiko, Brendel, Rolf, Peibst, Robby

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Self-assembled GaN quantum wires on GaN/AlN nanowire templates von Arbiol, Jordi, Magen, Cesar, Becker, Pascal, Jacopin, Gwénolé, Chernikov, Alexey, Schäfer, Sören, Furtmayr, Florian, Tchernycheva, Maria, Rigutti, Lorenzo, Teubert, Jörg, Chatterjee, Sangam, Morante, Joan R, Eickhoff, Martin

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Perimeter Recombination in 25%-Efficient IBC Solar Cells With Passivating POLO Contacts for Both Polarities von Haase, Felix, Schafer, Soren, Klamt, Christina, Kiefer, Fabian, Krugener, Jan, Brendel, Rolf, Peibst, Robby

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Improving the Processing Efficiency of Femtosecond Laser Sulfur Hyperdoping of Silicon by Diffractive Beam Shaping von Kearney, Patrick Mc, Lebershausen, Ingo, Schafer, Soren, Paulus, Simon, Kontermann, Stefan

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Multilayer Etching for Kerf-free Solar Cells from Macroporous Silicon von Schäfer, Sören, Ernst, Marco, Kajari-Schröder, Sarah, Brendel, Rolf

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